Gemma Collins has been seen bumping elbows with her pal Darren Day outside of Matrix Music Studios in Fulham.The 39 year old, who was recently left feeling disgusted after confessing fans beg for her "worn, used underwear", was photographed putting on a casual display as she finished up recording their new Christmas single together.The star wore a grey top with matching jogging bottoms, which she teamed with a pair of plain black trainers and a baby pink bobble hat.The former The Only Way Is